Finding the Third Proportional to 88,185.38 and 190,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,185.38 : 190,309.50 = 190,309.50 : x
2. Step 2: Convert to fraction form
   88,185.38/190,309.50 = 190,309.50/x
3. Step 3: Cross multiply
   88,185.38x = 190,309.50 × 190,309.50
4. Step 4: Simplify right side
   88,185.38x = 36,217,705,790.25
5. Step 5: Solve for x
   x = 36,217,705,790.25/88,185.38
6. Step 6: Final answer
   x = 410,699.69